M10x1.0 to 3AN Banjo Bolt Adapter Kit - Stainless Steel Brake Line Fitting for Oil Fuel Coolant
Product Description
Upgrade your fluid system connections with this high-pressure banjo bolt adapter kit, designed to convert M10x1.0 metric threads to standard 3AN (-3) flareless fittings. Perfect for brake calipers, turbo oil/water lines, fuel rails, and coolant systems in cars, motorcycles, and performance builds.
Key Features
✔ Dual-Threat Compatibility – M10x1.0 male threads + 3AN female swivel end
✔ 304 Stainless Steel – Resists corrosion from brake fluid, oil, and coolant
✔ 360° Rotatable Banjo – Allows flexible hose routing in tight spaces
✔ Sealed & Secure – Includes copper crush washers for leak-free operation
✔ Multi-System Use – Safe for brakes (DOT 3/4/5.1), fuel (E10 compatible), and oil/coolant
Technical Specifications
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Material: Stainless Steel (passivated finish)
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Threads: M10x1.0 male → 3AN (-3) female
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Sealing Washers: 2x copper crush washers (M10 size)
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Pressure Rating: 2500 PSI (burst tested)
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Temperature Range: -40°F to 400°F (-40°C to 204°C)
Applications
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Brake Systems: BMW/Mercedes caliper conversions, Wilwood/Brembo upgrades
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Turbo Systems: Garrett GT series oil feed/return lines
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Fuel Systems: AN fuel rail conversions, inline filter connections
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Cooling Systems: Remote oil cooler lines, radiator reroutes,Brake calliper oil, fuel, coolant, etc.
Material
- Stainless steel banjo adapter
- Steel banjo bolt color Bronze Tone
- 2 x copper washers
Package Includes
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1x M10x1.0 to 3AN banjo bolt adapter
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2x Copper crush washers (reusable once)
Installation Notes
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Clean Threads – Use brake cleaner to remove debris from ports
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Washer Setup – Stack: copper washer → banjo → copper washer → threaded port
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Torque Spec – 18-22 Nm (13-16 ft-lbs) – Do not overtighten!
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Pressure Test – Check for leaks before full operation
Compatibility Warning
⚠️ Fits ONLY M10x1.0 ports – Verify thread pitch with gauge
⚠️ Not for injection lines – Use inverted flare fittings for fuel injection
⚠️ 3AN = 3/16" hose – Confirm hose inner diameter matches
